DavidFigueroa

Automatically adding leading zero's to inputbox

3 posts in this topic

I'm trying to create an inputbox that automatically formats numbers with leading zeroes when the updown control is used.  I found an example from Melba23 (see below) that shows a step incremented inputbox, and based on that, I tried to create one that would work, but it does not.

I am creating separate inputs for hours and minutes, and I want to make sure the inputbox is always 2 digits. And right up front, I don't pretend to really understand the DLLStruct* calls.. 

Melba23's sample:

#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <UpDownConstants.au3>

$hGUI = GUICreate("Test", 500, 500)

$hInput = GUICtrlCreateInput("5000", 10, 10, 100, 20)
$hUpDown = GUICtrlCreateUpdown($hInput, BitOR($UDS_WRAP, $UDS_NOTHOUSANDS))
GUICtrlSetLimit($hUpDown, 6000, 5000)

GUISetState()

GUIRegisterMsg($WM_NOTIFY, "_WM_NOTIFY")

While 1

    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            Exit
    EndSwitch

WEnd

Func _WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)

    ; Is it from the UpDown?
    If BitAND($wParam, 0xFFFF) = $hUpDown Then
        ; Create NMUPDOWN structure
        Local $tStruct = DllStructCreate("hwnd;long;int;long;long", $lParam)
        ; Is it a change message?
        If DllStructGetData($tStruct, 3) = 0xFFFFFD2E Then ; $UDN_DELTAPOS
            ; Alter the change value
            DllStructSetData($tStruct, 5, 100 * DllStructGetData($tStruct, 5))
        EndIf
    EndIf

EndFunc
;~ The NMUPDOWN structure holds:

;~ 1 - Handle of UpDown
;~ 2 - ControlID of UpDown
;~ 3 - Message type sent by UpDown
;~ 4 - Current value of UpDown
;~ 5 - Change to apply to input (+/-1)

And here is my non-working sample (it runs, and the initial value shows correctly, but when you hit the updown, you lose the leading zeroes.

#include <WindowsConstants.au3>
#include <GUIConstantsEx.au3>

$hGUI = GUICreate("Window", 300, 100, -1, -1)

$Count = 1

Global $hEdit = GUICtrlCreateInput($Count, 15, 15, 100, 30)
GUICtrlSetFont(-1, 12, 400, "", "Tahoma")
GUICtrlSetData(-1, StringFormat("%03u",$Count))

Global $hUpDown = GUICtrlCreateUpdown(-1)
GUICtrlSetLimit(-1, 100, 0)


GUISetState()

While 1
    $hMsg = GUIGetMsg()
    Switch $hMsg
        Case $GUI_EVENT_CLOSE
            Exit
    EndSwitch
WEnd

Func _WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)

    ; Is it from the UpDown?
    If BitAND($wParam, 0xFFFF) = $hUpDown Then
        ; Create NMUPDOWN structure
        Local $tStruct = DllStructCreate("hwnd;long;int;long;long", $lParam)
        ; Is it a change message?
        If DllStructGetData($tStruct, 3) = 0xFFFFFD2E Then ; $UDN_DELTAPOS
            ; Alter the change value
            $ValueToSet = DllStructGetData($tStruct, 4)
            $ValueToSet = StringFormat("%03u", $ValueToSet)
            GUICtrlSetData($hEdit, $ValueToSet)
        EndIf
    EndIf

EndFunc

 

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DavidFigueroa,

Welcome to the AutoIt forums.

The example you found is not really relevant to what you want to do - what you need to do is look for a change to the input content and then pad it with a leading zero as required:

#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <EditConstants.au3>
#include <WinAPI.au3>

$hGUI = GUICreate("Test", 500, 500)

$cInput = GUICtrlCreateInput("", 10, 10, 200, 20)
$cUpDown = GUICtrlCreateUpdown($cInput)
GUICtrlSetLimit($cUpDown, 100, 0)

GUISetState()

; Register the WM_COMMAND message
GUIRegisterMsg($WM_COMMAND, "_WM_COMMAND")

While 1
    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            Exit
    EndSwitch
WEnd

Func _WM_COMMAND($hWnd, $iMsg, $wParam, $lParam)

     ; If it was an update message from our input
    If _WinAPI_HiWord($wParam) = $EN_CHANGE And _WinAPI_LoWord($wParam) = $cInput Then

        ; Read the content
        $sContent = GUICtrlRead($cInput)
        ; Reset the content padded with zeroes
        GUICtrlSetData($cInput, StringFormat("%02i", $sContent))

    EndIf

EndFunc

Please ask if you have any questions.

M23


Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind._______My UDFs:

Spoiler

ArrayMultiColSort ---- Sort arrays on multiple columns
ChooseFileFolder ---- Single and multiple selections from specified path treeview listing
Date_Time_Convert -- Easily convert date/time formats, including the language used
ExtMsgBox --------- A highly customisable replacement for MsgBox
GUIExtender -------- Extend and retract multiple sections within a GUI
GUIFrame ---------- Subdivide GUIs into many adjustable frames
GUIListViewEx ------- Insert, delete, move, drag, sort, edit and colour ListView items
GUITreeViewEx ------ Check/clear parent and child checkboxes in a TreeView
Marquee ----------- Scrolling tickertape GUIs
NoFocusLines ------- Remove the dotted focus lines from buttons, sliders, radios and checkboxes
Notify ------------- Small notifications on the edge of the display
Scrollbars ----------Automatically sized scrollbars with a single command
StringSize ---------- Automatically size controls to fit text
Toast -------------- Small GUIs which pop out of the notification area

 

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Fantastic :)  

Thank you very much.. 

 

David F. 

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